<template>
    <div class="search-history">
        <van-cell title="搜索历史">
            <div v-if="isDeleteShow">
                <span @click="$emit('clear-search-histories')">全部删除</span>
                &nbsp;&nbsp;
                <span @click="isDeleteShow = false">完成</span>
            </div>
            <van-icon v-else name="delete" @click="isDeleteShow = true" />
        </van-cell>
        <van-cell
            :title="item"
            v-for="(item, index) in searchHistories"
            :key="index"
            @click="onSearchItemClick(item, index)"
        >
            <van-icon v-show="isDeleteShow" name="close" />
        </van-cell>
    </div>
</template>

<script>
export default {
  name: 'SearchHistory',
  components: {},
  props: {
    // Prop 数据
    //  Prop 是受父组件数据影响的
    //    如果是普通数据（数字、字符串、布尔值）绝对不能修改
    //    即便改了也不会传导给父组件
    //
    //    如果是引用类型数据（数组、对象）
    //        可以修改，例如 [].push(xxx)，对象.xxx = xxx
    //        不能重新赋值, xxx = []
    searchHistories: {
      type: Array,
      required: true
    }
  },
  data () {
    return {
      isDeleteShow: false // 控制删除显示状态
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    onSearchItemClick (item, index) {
      if (this.isDeleteShow) {
        // 删除状态，删除历史记录数据
        // eslint-disable-next-line vue/no-mutating-props
        this.searchHistories.splice(index, 1)
      } else {
        // 非删除状态，直接进入搜索
        this.$emit('search', item)
      }
    }
  }
}
</script>

<style scoped lang="less"></style>
